I keep crashing! Please, help me, the description is: Rendering entity in world.

Minecraft Version: 1.7.10

Forge: Yes.

Here is the Crash Report:

---- Minecraft Crash Report ----
// Uh... Did I do that?

Time: 1/5/15 9:23 AM
Description: Rendering entity in world

java.lang.ClassCastException: net.minecraft.client.model.ModelBiped cannot be cast to noppes.mpm.client.model.ModelMPM
at noppes.mpm.client.RenderMPM.setEntity(RenderMPM.java:420)
at noppes.mpm.client.RenderEvent.pre(RenderEvent.java:78)
at cpw.mods.fml.common.eventhandler.ASMEventHandler_13_RenderEvent_pre_Pre.invoke(.dynamic)
at cpw.mods.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:54)
at cpw.mods.fml.common.eventhandler.EventBus.post(EventBus.java:138)
at net.minecraft.client.renderer.entity.RenderPlayer.func_76986_a(RenderPlayer.java:131)
at net.minecraft.client.renderer.entity.RenderPlayer.func_76986_a(RenderPlayer.java:521)
at net.minecraft.client.renderer.entity.RenderManager.func_147939_a(RenderManager.java:293)
at net.minecraft.client.renderer.entity.RenderManager.func_147936_a(RenderManager.java:271)
at net.minecraft.client.renderer.entity.RenderManager.func_147937_a(RenderManager.java:244)
at net.minecraft.client.renderer.RenderGlobal.func_147589_a(RenderGlobal.java:712)
at net.minecraft.client.renderer.EntityRenderer.func_78471_a(EntityRenderer.java:1552)
at net.minecraft.client.renderer.EntityRenderer.func_78480_b(EntityRenderer.java:1302)
at noppes.mpm.client.EntityRendererAlt.func_78480_b(EntityRendererAlt.java:34)
at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:990)
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:887)
at net.minecraft.client.main.Main.main(SourceFile:148)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)


A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- Head --
Stacktrace:
at noppes.mpm.client.RenderMPM.setEntity(RenderMPM.java:420)
at noppes.mpm.client.RenderEvent.pre(RenderEvent.java:78)
at cpw.mods.fml.common.eventhandler.ASMEventHandler_13_RenderEvent_pre_Pre.invoke(.dynamic)
at cpw.mods.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:54)
at cpw.mods.fml.common.eventhandler.EventBus.post(EventBus.java:138)
at net.minecraft.client.renderer.entity.RenderPlayer.func_76986_a(RenderPlayer.java:131)
at net.minecraft.client.renderer.entity.RenderPlayer.func_76986_a(RenderPlayer.java:521)

-- Entity being rendered --
Details:
Entity Type: null (net.minecraft.client.entity.EntityOtherPlayerMP)
Entity ID: 3352
Entity Name: §l
Entity's Exact location: -45.50, 61.00, 451.50
Entity's Block location: World: (-46,61,451), Chunk: (at 2,3,3 in -3,28; contains blocks -48,0,448 to -33,255,463), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
Entity's Momentum: 0.00, 0.00, 0.00

-- Renderer details --
Details:
Assigned renderer: RenderPlayerOF@491bcb51
Location: 0.87,-1.62,10.19 - World: (0,-2,10), Chunk: (at 0,-1,10 in 0,0; contains blocks 0,0,0 to 15,255,15), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
Rotation: 0.0
Delta: 0.98559463
Stacktrace:
at net.minecraft.client.renderer.entity.RenderManager.func_147939_a(RenderManager.java:293)
at net.minecraft.client.renderer.entity.RenderManager.func_147936_a(RenderManager.java:271)
at net.minecraft.client.renderer.entity.RenderManager.func_147937_a(RenderManager.java:244)
at net.minecraft.client.renderer.RenderGlobal.func_147589_a(RenderGlobal.java:712)
at net.minecraft.client.renderer.EntityRenderer.func_78471_a(EntityRenderer.java:1552)
at net.minecraft.client.renderer.EntityRenderer.func_78480_b(EntityRenderer.java:1302)

-- Affected level --
Details:
Level name: MpServer
All players: 2 total; [EntityClientPlayerMP['Redxophos'/2079919, l='MpServer', x=-46.37, y=62.62, z=441.31], EntityOtherPlayerMP['§l'/3352, l='MpServer', x=-45.50, y=61.00, z=451.50]]
Chunk stats: MultiplayerChunkCache: 169, 169
Level seed: 0
Level generator: ID 00 - default, ver 1. Features enabled: false
Level generator options:
Level spawn location: World: (142,87,291), Chunk: (at 14,5,3 in 8,18; contains blocks 128,0,288 to 143,255,303), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
Level time: 650779994 game time, 99989551 day time
Level dimension: 0
Level storage version: 0x00000 - Unknown?
Level weather: Rain time: 0 (now: false), thunder time: 0 (now: false)
Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: false
Forced entities: 30 total; [EntityClientPlayerMP['Redxophos'/2079919, l='MpServer', x=-46.37, y=62.62, z=441.31], EntityPainting['Painting'/2079922, l='MpServer', x=-37.50, y=62.50, z=445.06], EntityPainting['Painting'/2079924, l='MpServer', x=-47.50, y=53.00, z=461.94], EntityPainting['Painting'/2079925, l='MpServer', x=-47.50, y=53.00, z=457.06], EntityPainting['Painting'/2079926, l='MpServer', x=-37.50, y=62.50, z=455.94], EntityPainting['Painting'/2079933, l='MpServer', x=-55.94, y=49.00, z=448.00], EntityOtherPlayerMP['§l'/3352, l='MpServer', x=-45.50, y=61.00, z=451.50], EntityHorse['Horse'/2079943, l='MpServer', x=-33.94, y=61.00, z=471.19], EntityChicken['Chicken'/2079942, l='MpServer', x=-41.38, y=58.00, z=472.38], EntityOtherPlayerMP['§l'/3352, l='MpServer', x=-45.50, y=61.00, z=451.50], EntityChicken['Chicken'/2079941, l='MpServer', x=-44.19, y=56.00, z=470.53], EntityHorse['Horse'/2079940, l='MpServer', x=-45.28, y=56.00, z=470.72], EntityHorse['Horse'/2079946, l='MpServer', x=-41.20, y=61.00, z=462.25], EntityHorse['Horse'/2079945, l='MpServer', x=-41.28, y=61.00, z=467.44], EntityItemFrame['entity.ItemFrame.name'/2079948, l='MpServer', x=-48.50, y=56.50, z=464.94], EntityPainting['Painting'/2079924, l='MpServer', x=-47.50, y=53.00, z=461.94], EntityPainting['Painting'/2079925, l='MpServer', x=-47.50, y=53.00, z=457.06], EntityPainting['Painting'/2079926, l='MpServer', x=-37.50, y=62.50, z=455.94], EntityHorse['Horse'/2079927, l='MpServer', x=-40.45, y=61.00, z=460.64], EntityChicken['Chicken'/2079920, l='MpServer', x=-35.53, y=37.00, z=444.53], EntityChicken['Chicken'/2079921, l='MpServer', x=-37.59, y=47.00, z=437.38], EntityPainting['Painting'/2079922, l='MpServer', x=-37.50, y=62.50, z=445.06], EntityChicken['Chicken'/2079923, l='MpServer', x=-37.41, y=35.00, z=455.42], EntityItemFrame['entity.ItemFrame.name'/2079932, l='MpServer', x=-48.94, y=51.50, z=459.50], EntityPainting['Painting'/2079933, l='MpServer', x=-55.94, y=49.00, z=448.00], EntityItemFrame['entity.ItemFrame.name'/2079934, l='MpServer', x=-31.06, y=51.50, z=460.50], EntityHorse['Mule'/2079928, l='MpServer', x=-35.84, y=61.00, z=459.00], EntityHorse['Horse'/2079929, l='MpServer', x=-41.28, y=62.00, z=458.34], EntityHorse['Horse'/2079930, l='MpServer', x=-38.65, y=61.00, z=460.24], EntityChicken['Chicken'/2079931, l='MpServer', x=-33.56, y=55.00, z=460.56]]
Retry entities: 0 total; []
Server brand: Spigot
Server type: Non-integrated multiplayer server
Stacktrace:
at net.minecraft.client.multiplayer.WorldClient.func_72914_a(WorldClient.java:373)
at net.minecraft.client.Minecraft.func_71396_d(Minecraft.java:2433)
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:908)
at net.minecraft.client.main.Main.main(SourceFile:148)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)

-- System Details --
Details:
Minecraft Version: 1.7.10
Operating System: Mac OS X (x86_64) version 10.6.8
Java Version: 1.6.0_51, Apple Inc.
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Apple Inc.
Memory: 131418200 bytes (125 MB) / 315179008 bytes (300 MB) up to 1060372480 bytes (1011 MB)
JVM Flags: 5 total; -Xmx1G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M
AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
FML: MCP v9.05 FML v7.10.85.1277 Minecraft Forge 10.13.2.1277 Optifine OptiFine_1.7.10_HD_U_B4 4 mods loaded, 4 mods active
mcp{9.05} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
FML{7.10.85.1277} [Forge Mod Loader] (forge-1.7.10-10.13.2.1277.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
Forge{10.13.2.1277} [Minecraft Forge] (forge-1.7.10-10.13.2.1277.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
moreplayermodels{1.7.10} [MorePlayerModels] (MorePlayerModels_1.7.10.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
Launched Version: 1.7.10-Forge10.13.2.1277
LWJGL: 2.9.1
OpenGL: Intel HD Graphics 3000 OpenGL Engine GL version 2.1 APPLE-1.6.42, Intel Inc.
GL Caps: Using GL 1.3 multitexturing.
Using framebuffer objects because ARB_framebuffer_object is supported and separate blending is supported.
Anisotropic filtering is supported and maximum anisotropy is 16.
Shaders are available because OpenGL 2.1 is supported.

Is Modded: Definitely; Client brand changed to 'fml,forge'
Type: Client (map_client.txt)
Resource Packs: [John Smith Legacy 1]
Current Language: English (US)
Profiler Position: N/A (disabled)
Vec3 Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
Anisotropic Filtering: Off (1)